Test your basic knowledge |

Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






2. (LH) stimulates the Leydig cells to produce testosterone






3. 14-19 (17) days






4. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






5. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






6. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells






7. (FSH) causes egg to mature in females






8. (male) pushes the testes upward toward the body for warmth or protection






9. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm






10. Urinary calculi.






11. FEED






12. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






13. 2 month growth cycle. stored in the epididymis of the bull






14. Contains and regulates the temp of the testes for sperm production






15. Not under a timeline - cow can not be sold as steak






16. FEED






17. 147 days






18. Sperm production






19. Help to signal hormone levels which we need both in the brain right next to each other.






20. (LH) stimulates the Leydig cells to produce testosterone






21. The more stressed out the male is - the less sperm he is going to produce






22. 30 hours after estrus begins






23. 30 hours after estrus begins






24. 1-2 days






25. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






26. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






27. Depository for semen during insemination. where urine leaves the body






28. Animal which has been castrated after puberty






29. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days






30. 1-3 days






31. 283 days






32. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






33. Important 'landmark' during palpation






34. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






35. 16-20 hours






36. 26 hours after estrus begins






37. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






38. Start of the reproductive tract for the female. located outside of the body






39. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






40. 336 days






41. Why Dairy calves are fed powdered milk.






42. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


43. Front feet and head first. (except for hogs and dogs)






44. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






45. (LH) causes female's egg to break (her period)






46. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






47. Milk ~305 days - dry 60 days prior to calving






48. Luteolysis happens because of the ____________ hormone






49. Luteolysis happens because of the ____________ hormone






50. 19-23 (21) days